Messages in this thread | | | Date | Fri, 26 Jan 2007 11:02:48 -0500 | From | Mark Lord <> | Subject | Re: O_DIRECT question |
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You guys need to backup in this thread.
Every example of O_DIRECT here could be replaced with calls to mmap(), msync(), and madvise() (or posix_fadvise).
In addition to being at least as fast as O_DIRECT, these have the added benefit of using the page cache (avoiding reads for data already present, handling multiple users of the same data, etc..).
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